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c350849461
Add the dsi driver implementation for DSI version 3.0. Use the panel information retrieved from the 'dts' to configure the interface parameters. Add the device tree binding file to specify the basic configuration and panel features. Change-Id: I6a3677401454ad1d2bc29b0b845b0366eb7842b7 Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
178 lines
4 KiB
C
178 lines
4 KiB
C
/* Copyright (c) 2008-2012, Code Aurora Forum. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef MDSS_PANEL_H
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#define MDSS_PANEL_H
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#include <linux/platform_device.h>
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#include <linux/types.h>
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/* panel id type */
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struct panel_id {
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u16 id;
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u16 type;
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};
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/* panel type list */
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#define NO_PANEL 0xffff /* No Panel */
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#define MDDI_PANEL 1 /* MDDI */
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#define EBI2_PANEL 2 /* EBI2 */
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#define LCDC_PANEL 3 /* internal LCDC type */
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#define EXT_MDDI_PANEL 4 /* Ext.MDDI */
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#define TV_PANEL 5 /* TV */
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#define HDMI_PANEL 6 /* HDMI TV */
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#define DTV_PANEL 7 /* DTV */
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#define MIPI_VIDEO_PANEL 8 /* MIPI */
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#define MIPI_CMD_PANEL 9 /* MIPI */
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#define WRITEBACK_PANEL 10 /* Wifi display */
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#define LVDS_PANEL 11 /* LVDS */
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#define EDP_PANEL 12 /* LVDS */
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/* panel class */
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enum {
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DISPLAY_LCD = 0, /* lcd = ebi2/mddi */
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DISPLAY_LCDC, /* lcdc */
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DISPLAY_TV, /* TV Out */
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DISPLAY_EXT_MDDI, /* External MDDI */
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DISPLAY_WRITEBACK,
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};
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/* panel device locaiton */
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enum {
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DISPLAY_1 = 0, /* attached as first device */
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DISPLAY_2, /* attached on second device */
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DISPLAY_3, /* attached on third writeback device */
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MAX_PHYS_TARGET_NUM,
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};
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/* panel info type */
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struct lcd_panel_info {
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u32 vsync_enable;
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u32 refx100;
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u32 v_back_porch;
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u32 v_front_porch;
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u32 v_pulse_width;
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u32 hw_vsync_mode;
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u32 vsync_notifier_period;
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u32 rev;
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};
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struct lcdc_panel_info {
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u32 h_back_porch;
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u32 h_front_porch;
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u32 h_pulse_width;
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u32 v_back_porch;
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u32 v_front_porch;
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u32 v_pulse_width;
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u32 border_clr;
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u32 underflow_clr;
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u32 hsync_skew;
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/* Pad width */
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u32 xres_pad;
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/* Pad height */
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u32 yres_pad;
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};
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struct mipi_panel_info {
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char mode; /* video/cmd */
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char interleave_mode;
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char crc_check;
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char ecc_check;
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char dst_format; /* shared by video and command */
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char data_lane0;
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char data_lane1;
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char data_lane2;
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char data_lane3;
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char dlane_swap; /* data lane swap */
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char rgb_swap;
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char b_sel;
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char g_sel;
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char r_sel;
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char rx_eot_ignore;
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char tx_eot_append;
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char t_clk_post; /* 0xc0, DSI_CLKOUT_TIMING_CTRL */
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char t_clk_pre; /* 0xc0, DSI_CLKOUT_TIMING_CTRL */
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char vc; /* virtual channel */
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struct mipi_dsi_phy_ctrl *dsi_phy_db;
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/* video mode */
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char pulse_mode_hsa_he;
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char hfp_power_stop;
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char hbp_power_stop;
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char hsa_power_stop;
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char eof_bllp_power_stop;
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char bllp_power_stop;
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char traffic_mode;
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char frame_rate;
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/* command mode */
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char interleave_max;
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char insert_dcs_cmd;
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char wr_mem_continue;
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char wr_mem_start;
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char te_sel;
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char stream; /* 0 or 1 */
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char mdp_trigger;
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char dma_trigger;
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u32 dsi_pclk_rate;
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/* The packet-size should not bet changed */
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char no_max_pkt_size;
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/* Clock required during LP commands */
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char force_clk_lane_hs;
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};
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enum lvds_mode {
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LVDS_SINGLE_CHANNEL_MODE,
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LVDS_DUAL_CHANNEL_MODE,
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};
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struct lvds_panel_info {
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enum lvds_mode channel_mode;
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/* Channel swap in dual mode */
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char channel_swap;
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};
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struct mdss_panel_info {
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u32 xres;
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u32 yres;
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u32 bpp;
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u32 type;
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u32 wait_cycle;
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u32 pdest;
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u32 bl_max;
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u32 bl_min;
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u32 fb_num;
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u32 clk_rate;
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u32 clk_min;
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u32 clk_max;
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u32 frame_count;
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u32 is_3d_panel;
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u32 out_format;
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struct lcd_panel_info lcd;
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struct lcdc_panel_info lcdc;
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struct mipi_panel_info mipi;
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struct lvds_panel_info lvds;
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struct fb_info *fbi;
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};
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struct mdss_panel_data {
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struct mdss_panel_info panel_info;
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void (*set_backlight) (u32 bl_level);
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unsigned char *dsi_base;
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/* function entry chain */
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int (*on) (struct mdss_panel_data *pdata);
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int (*off) (struct mdss_panel_data *pdata);
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};
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int mdss_register_panel(struct mdss_panel_data *pdata);
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#endif /* MDSS_PANEL_H */
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